CVE-2026-3855
Improper Control of Resource Identifiers ('Resource Injection') in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Improper Control of Resource Identifiers ('Resource Injection') in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.
- Record
CVE-2026-3855- CVSS 3.1
- 3.1 Low
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-99
- Updated
- 2026-11-02
EUVDEUVD-2026-80121
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.
- Record
EUVD-2026-80121- CVSS 3.1
- 3.1 Low
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-74fm-x674-6p6m
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8,...
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.
- Record
GHSA-74fm-x674-6p6m- CVSS 3.1
- 3.1 Low
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-99
- Updated
- 2026-11-02
NVD
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.
- Record
CVE-2026-3855- CVSS 3.1
- 3.1 Low
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-99
- Updated
- 2026-11-02
OSV
Improper Control of Resource Identifiers ('Resource Injection') in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.
- Record
CVE-2026-3855- CVSS 3.1
- 3.1 Low
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-99
- Updated
- 2026-11-02
OSVBIT-gitlab-2026-3855 No score
Improper Control of Resource Identifiers ('Resource Injection') in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.
- Record
BIT-gitlab-2026-3855- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
gitlabBitnami |
18.2.7 up to 19.1.8, 19.2.0 up to 19.2.6, 19.3.0 up to 19.3.2 | 19.1.819.2.619.3.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-3855 is a low vulnerability (CVSS 3.1) in Gitlab, published September 16, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. Fixed in gitlab 19.1.8.
References
gitlab.com/gitlab-org/gitlab/-/work_items/592821
hackerone.com/reports/3575167
docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released
nvd.nist.gov/vuln/detail/CVE-2026-3855
github.com/advisories/GHSA-74fm-x674-6p6m